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3127-14-8

3127-14-8 structure
3127-14-8 structure

Name 4,4,4',4'-tetramethyl-2,2'-spirobi[3H-chromene]-7,7'-diol
Synonyms S0383
4,4,4',4'-Tetramethyl-2,2'-spirobicromane-7,7'-diol
Spirobicromane
Density 1.27g/cm3
Boiling Point 525.9ºC at 760 mmHg
Melting Point 200ºC
Molecular Formula C21H24O4
Molecular Weight 340.41300
Flash Point 271.9ºC
Exact Mass 340.16700
PSA 58.92000
LogP 4.61450
Index of Refraction 1.637
HS Code 2932999099

~83%

3127-14-8 structure

3127-14-8

Literature: Livant, P.; Webb, T. R.; Xu, Weizheng Journal of Organic Chemistry, 1997 , vol. 62, # 3 p. 737 - 742

~19%

3127-14-8 structure

3127-14-8

Literature: Filimonov, Sergei I.; Savinsky, Nikolai G.; Evstigneeva, Elena M. Mendeleev Communications, 2003 , vol. 13, # 4 p. 194 - 197
Precursor  3

DownStream  0

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%